John Bogle is the founder and retired CEO of The Vanguard Group who has an estimated net worth of $80 million. He is best known as the author of the 1999 book Common Sense in Mutual Funds: New Imperatives for the Intelligent Investor. The book became a best seller and is considered a classic.

John Clifton Bogle was born on May 8, 1929 in Verona, New Jersey. He earned his undergraduate degree in 1951 from Princeton University with a major in economics. He also attended evening and weekend classes at the University of Pennsylvania. He then went to work for Walter L. Morgan at Wellington Management Company.

Also known as Jack, he founded The Vanguard Group in 1974. He worked his way to grow the company to be the second largest mutual fund company in the world. In 1975, he founded the Vanguard 500 Index Fund which was the first index mutual fund available to the public.

Bogle was named one of Time’s 100 most powerful and influential people in 2004. He serves on the board of trustees at his high school alma mater, Blair Academy. He also served on the advisory board for the Millstein Center for Corporate Governance and Performance at the Yale School of Management. He is also the author of the 2007 book The Little Book of Common Sense Investing: The Only Way to Guarantee Your Fair Share of Stock Market Returns.